[INFO] fetching crate sv 0.2.2...
[INFO] checking sv-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate sv 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sv 0.2.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sv 0.2.2
[INFO] finished tweaking crates.io crate sv 0.2.2
[INFO] tweaked toml for crates.io crate sv 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.3.3 (latest: v0.10.4)
[INFO] [stderr]       Adding byte-tools v0.2.0 (latest: v0.3.1)
[INFO] [stderr]       Adding cc v1.0.26 (latest: v1.0.90)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding digest v0.7.6 (latest: v0.10.7)
[INFO] [stderr]       Adding dns-lookup v0.9.1 (latest: v2.0.4)
[INFO] [stderr]       Adding generic-array v0.9.1 (latest: v1.0.0)
[INFO] [stderr]       Adding hex v0.3.2 (latest: v0.4.3)
[INFO] [stderr]       Adding murmur3 v0.4.1 (latest: v0.5.2)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.4)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding ring v0.14.6 (latest: v0.17.8)
[INFO] [stderr]       Adding ripemd160 v0.7.0 (latest: v0.10.0)
[INFO] [stderr]       Adding secp256k1 v0.12.2 (latest: v0.29.0)
[INFO] [stderr]       Adding socket2 v0.3.19 (latest: v0.5.6)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding untrusted v0.6.2 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded murmur3 v0.4.1
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded cc v1.0.26
[INFO] [stderr]   Downloaded ripemd160 v0.7.0
[INFO] [stderr]   Downloaded rust-base58 v0.0.4
[INFO] [stderr]   Downloaded secp256k1 v0.12.2
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded dns-lookup v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9decb036ae68bd40bc4ae26379c8a204d253c05b034669d9848a775df36822a3
[INFO] running `Command { std: "docker" "start" "-a" "9decb036ae68bd40bc4ae26379c8a204d253c05b034669d9848a775df36822a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9decb036ae68bd40bc4ae26379c8a204d253c05b034669d9848a775df36822a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9decb036ae68bd40bc4ae26379c8a204d253c05b034669d9848a775df36822a3", kill_on_drop: false }`
[INFO] [stdout] 9decb036ae68bd40bc4ae26379c8a204d253c05b034669d9848a775df36822a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 701f2cb5c551cdc4a8a866f01daffaeeff3d0fcded3e7b8bc744745108287fcd
[INFO] running `Command { std: "docker" "start" "-a" "701f2cb5c551cdc4a8a866f01daffaeeff3d0fcded3e7b8bc744745108287fcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking dns-lookup v0.9.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking rust-base58 v0.0.4
[INFO] [stderr]     Checking sv v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/messages/filter_add.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate hex;
[INFO] [stdout]   | ----------------- the item `hex` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/messages/merkle_block.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate hex;
[INFO] [stdout]   | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/network/network.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate hex;
[INFO] [stdout]   | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/script/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use hex;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/util/bloom_filter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate hex;
[INFO] [stdout]   | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/util/hash160.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate hex;
[INFO] [stdout]   | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/util/hash256.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate hex;
[INFO] [stdout]   | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ring` is imported redundantly
[INFO] [stdout]   --> src/util/result.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use ring;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate ring;
[INFO] [stdout]    | ------------------ the item `ring` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/util/result.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use secp256k1;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate secp256k1;
[INFO] [stdout]    | ----------------------- the item `secp256k1` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/util/result.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/address/mod.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | extern crate hex;
[INFO] [stdout]     | ----------------- the item `hex` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/messages/addr.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OutPoint` is imported redundantly
[INFO] [stdout]    --> src/messages/block.rs:183:27
[INFO] [stdout]     |
[INFO] [stdout] 182 |     use super::*;
[INFO] [stdout]     |         -------- the item `OutPoint` is already imported here
[INFO] [stdout] 183 |     use crate::messages::{OutPoint, TxIn, TxOut};
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TxOut` is imported redundantly
[INFO] [stdout]    --> src/messages/block.rs:183:43
[INFO] [stdout]     |
[INFO] [stdout] 182 |     use super::*;
[INFO] [stdout]     |         -------- the item `TxOut` is already imported here
[INFO] [stdout] 183 |     use crate::messages::{OutPoint, TxIn, TxOut};
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Hash256` is imported redundantly
[INFO] [stdout]    --> src/messages/block.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     use super::*;
[INFO] [stdout]     |         -------- the item `Hash256` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 185 |     use crate::util::Hash256;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/messages/block.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | extern crate hex;
[INFO] [stdout]     | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/messages/fee_filter.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/messages/filter_load.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Hash256` is imported redundantly
[INFO] [stdout]   --> src/messages/headers.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     use super::*;
[INFO] [stdout]    |         -------- the item `Hash256` is already imported here
[INFO] [stdout] 64 |     use crate::util::Hash256;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/messages/merkle_block.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use super::*;
[INFO] [stdout]     |         -------- the item `hex` is already imported here
[INFO] [stdout] 206 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/messages/message.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 482 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/messages/message_header.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | extern crate hex;
[INFO] [stdout]     | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/messages/message_header.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] 109 |     use hex;
[INFO] [stdout] 110 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/messages/node_addr.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/messages/ping.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/messages/reject.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | extern crate hex;
[INFO] [stdout]     | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/messages/reject.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] 110 |     use hex;
[INFO] [stdout] 111 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/messages/send_cmpct.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OutPoint` is imported redundantly
[INFO] [stdout]    --> src/messages/tx.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     use super::*;
[INFO] [stdout]     |         -------- the item `OutPoint` is already imported here
[INFO] [stdout] 237 |     use crate::messages::OutPoint;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Hash256` is imported redundantly
[INFO] [stdout]    --> src/messages/tx.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     use super::*;
[INFO] [stdout]     |         -------- the item `Hash256` is already imported here
[INFO] [stdout] 237 |     use crate::messages::OutPoint;
[INFO] [stdout] 238 |     use crate::util::Hash256;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/messages/version.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | extern crate hex;
[INFO] [stdout]     | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/network/network.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate hex;
[INFO] [stdout]   | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/script/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use hex;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SIGHASH_FORKID` is imported redundantly
[INFO] [stdout]    --> src/script/checker.rs:145:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |     use super::*;
[INFO] [stdout]     |         -------- the item `SIGHASH_FORKID` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 145 |         SIGHASH_ALL, SIGHASH_ANYONECANPAY, SIGHASH_FORKID, SIGHASH_NONE, SIGHASH_SINGLE,
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PublicKey` is imported redundantly
[INFO] [stdout]    --> src/script/checker.rs:148:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |     use super::*;
[INFO] [stdout]     |         -------- the item `PublicKey` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |     use secp256k1::{PublicKey, Secp256k1, SecretKey};
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Secp256k1` is imported redundantly
[INFO] [stdout]    --> src/script/checker.rs:148:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |     use super::*;
[INFO] [stdout]     |         -------- the item `Secp256k1` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |     use secp256k1::{PublicKey, Secp256k1, SecretKey};
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/script/interpreter.rs:874:9
[INFO] [stdout]     |
[INFO] [stdout] 874 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | extern crate hex;
[INFO] [stdout]     | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OutPoint` is imported redundantly
[INFO] [stdout]    --> src/transaction/sighash.rs:256:27
[INFO] [stdout]     |
[INFO] [stdout] 254 |     use super::*;
[INFO] [stdout]     |         -------- the item `OutPoint` is already imported here
[INFO] [stdout] 255 |     use crate::address::addr_decode;
[INFO] [stdout] 256 |     use crate::messages::{OutPoint, TxIn};
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/transaction/sighash.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | extern crate hex;
[INFO] [stdout]     | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/util/bloom_filter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate hex;
[INFO] [stdout]   | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> src/util/bloom_filter.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     use std;
[INFO] [stdout]     |         ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/util/hash160.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use super::*;
[INFO] [stdout]    |         -------- the item `hex` is already imported here
[INFO] [stdout] 30 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/util/hash256.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use super::*;
[INFO] [stdout]    |         -------- the item `hex` is already imported here
[INFO] [stdout] 89 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ring` is imported redundantly
[INFO] [stdout]   --> src/util/result.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use ring;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate ring;
[INFO] [stdout]    | ------------------ the item `ring` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `secp256k1` is imported redundantly
[INFO] [stdout]   --> src/util/result.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use secp256k1;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate secp256k1;
[INFO] [stdout]    | ----------------------- the item `secp256k1` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/util/result.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]    --> src/wallet/extended_key.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |     use hex;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | extern crate hex;
[INFO] [stdout]     | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/wallet/mnemonic.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use hex;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate hex;
[INFO] [stdout]    | ----------------- the item `hex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.49s
[INFO] running `Command { std: "docker" "inspect" "701f2cb5c551cdc4a8a866f01daffaeeff3d0fcded3e7b8bc744745108287fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701f2cb5c551cdc4a8a866f01daffaeeff3d0fcded3e7b8bc744745108287fcd", kill_on_drop: false }`
[INFO] [stdout] 701f2cb5c551cdc4a8a866f01daffaeeff3d0fcded3e7b8bc744745108287fcd